Primary Calibration FID (EPH) Rev 1.0

Ethanol 50mg/dL Standard (10 x 1mL)

Hexavalent Chromium (Cr 6+)

Set Up Mixture 1 S-4264 2 Analytes Units: Use this standard to verify that all instrument components, temperatures, and cut times are accurate. Name: Wt. % MTBE (methyl tert-butyl ether) 5,0 Isooctane 95,0